Flyweight · Men

Erson Yamamoto

“Badman”
Japan Gen Sports Academy debut 2015
Elo 1,539 peak 1,539 · 17 Jul 2026
Tapology Sherdog id 4138142
7-8pro record
2W current streak
1,621best win, Elo
1,432average opponent
-- born 8 Sep 1996
67.0" / -- height / reach

Elo history

Hover for the fight at that point; dots are wins and losses

Record

-- – --
Rating by method KO1,118 Sub1,017 Dec1,204

Best wins

By the opponent's Elo on the night
  1. Yuki Ito Decision R3 · 27 Sep 2025 · RIZIN Fighting Federation 1,621
  2. Hiroya Kondo Decision R3 · 17 Jul 2026 · RIZIN Fighting Federation 1,501
  3. Yuki Ito Decision R3 · 6 May 2023 · RIZIN Fighting Federation 1,488
  4. Daichi Tomizawa Submission R2 · 4 May 2025 · RIZIN Fighting Federation 1,471
  5. Tim Eschtruth KO/TKO R1 · 2 Jun 2019 · RIZIN Fighting Federation 1,265

Losses

The latest 5 of 8
  1. Makoto Takahashi Submission R1 · 27 Jul 2025 · RIZIN Fighting Federation 1,680
  2. Yuya Shibata Submission R1 · 23 Mar 2024 · RIZIN Fighting Federation 1,534
  3. Ryuya Fukuda KO/TKO R3 · 24 Sep 2023 · RIZIN Fighting Federation 1,733
  4. Kenji Kato KO/TKO R1 · 9 Aug 2020 · RIZIN Fighting Federation 1,369
  5. Kazuyuki Miyata Submission R2 · 31 Dec 2018 · RIZIN Fighting Federation 1,582

Fight history

15 bouts, newest first. Hover a heading for what it means.
# Date Result Opponent Weight class Method Round Score Elo ± Opp Elo Odds Event
15 17 Jul 202629.9 yrs W7-8 Hiroya Kondo 11-15-1 · 28.2 yrs Flyweight DecisionUnanimous R315:00 0.84 1,472→1,539 +67 1,501 -155→-108 Rizin FF - Landmark Vol. 15 RIZIN Fighting Federation
14 27 Sep 202529.1 yrs W6-8 Yuki Ito 19-6 · 28.4 yrs Flyweight DecisionUnanimous R315:00 0.84 1,356→1,472 +116 1,621 +165→+135 Rizin FF - Rizin 51 RIZIN Fighting Federation
13 27 Jul 202528.9 yrs L5-8 Makoto Takahashi 19-4-1 (1) · 25.1 yrs Flyweight SubGuillotine Choke R12:55 0.00 1,383→1,356 -27 1,680 +500→+700 Rizin FF - Super Rizin 4 RIZIN Fighting Federation
12 4 May 202528.7 yrs W5-7 Daichi Tomizawa 1-0 · 27.6 yrs Flyweight SubFace Crank R26:24 1.00 1,246→1,383 +137 1,471 -120→-120 Rizin FF - Otoko Matsuri RIZIN Fighting Federation
11 23 Mar 202427.5 yrs L4-7 Yuya Shibata 18-7 · 31.9 yrs Flyweight SubKneebar R11:45 0.00 1,280→1,247 -33 1,534 -170→-164 Rizin FF - Landmark Vol. 9 RIZIN Fighting Federation
10 24 Sep 202327.0 yrs L4-6 Ryuya Fukuda 20-7-1 · 31.3 yrs Flyweight KO/TKODoctor Stoppage R311:37 0.00 1,293→1,280 -13 1,733 +164→+163 Rizin FF - Rizin 44 RIZIN Fighting Federation
9 6 May 202326.7 yrs W4-5 Yuki Ito 13-4 · 26.0 yrs Flyweight DecisionUnanimous R315:00 0.84 1,170→1,293 +123 1,488 +300→+330 Rizin FF - Rizin 42 RIZIN Fighting Federation
8 9 Aug 202023.9 yrs L3-5 Kenji Kato 14-7 · 29.8 yrs Bantamweight KO/TKORight Hook R13:32 0.00 1,244→1,187 -57 1,369 -170→-206 Rizin FF - Rizin 22 RIZIN Fighting Federation
7 2 Jun 201922.7 yrs W3-4 Tim Eschtruth 4-1 · 37.0 yrs Bantamweight KO/TKORight Elbow R12:04 1.00 1,125→1,246 +121 1,265 – Rizin FF - Rizin 16 RIZIN Fighting Federation
6 31 Dec 201822.3 yrs L2-4 Kazuyuki Miyata 15-9 · 42.9 yrs Featherweight SubHammerlock R28:23 0.00 1,138→1,125 -13 1,582 – Rizin FF - Rizin 14 RIZIN Fighting Federation
5 15 Oct 201721.1 yrs L2-3 Manel Kape 9-1 · 23.9 yrs Bantamweight KO/TKOLeft Head Kick R11:11 0.00 1,173→1,139 -33 1,425 – Rizin Fighting World Grand Prix 2017 - Men's Bantamweight & Women's Tournament: Aki No Jin RIZIN Fighting Federation
4 9 Jun 201720.8 yrs W2-2 Jesse Rogge 1-4 · 34.5 yrs Bantamweight KO/TKODoctor Stoppage R12:01 1.00 1,125→1,173 +48 955 – KOTC: Fire Starter King of the Cage
3 31 Dec 201620.3 yrs L1-2 Hideo Tokoro 33-29-2 · 39.4 yrs Bantamweight SubArmbar R11:19 0.00 1,162→1,125 -37 1,389 – Rizin 4 - Rizin Fighting World Grand Prix 2016: Final Round RIZIN Fighting Federation
2 25 Sep 201620.0 yrs W1-1 Kizaemon Saiga 2-1 · 27.6 yrs Bantamweight DecisionSplit R215:00 0.56 1,118→1,162 +44 1,260 – Rizin 2 - Rizin Fighting World Grand Prix 2016: Opening Round RIZIN Fighting Federation
1 31 Dec 201519.3 yrs L0-1 Kron Gracie 1-0 · 27.5 yrs Featherweight SubTriangle Choke R14:58 0.00 1,204→1,118 -87 1,208 – Rizin Fighting Federation - Iza no Mai RIZIN Fighting Federation